ZyXEL Communications VES-1008, Hardware Installation Manual, Page: 39 / 55

VES-1000 Series Ethernet Switch
Hardware Troubleshooting 6-1
This chapter explains how to troubleshoot your VES-1000 Series switch. Refer also to the
Troubleshooting chapter in the User’s Guide .
System Startup
When you turn on the VES-1000 Series switch, it automatically runs a self-test that takes approximately 20
seconds. The
SYS LED remains on if your VES-1000 Series switch has started normally.
6.1.1 My PWR LED Does Not Turn On
Table 6-1 PWR LED Troubleshooting
STEP CORRECTIVE ACTION
1 Make sure the power cord is connected properly to the power outlet. Make sure you are using the correct
power source (For VES-1012, 35 watt max., 100-240 VAC/1A, 50/60Hz. For VES-1008, 24 watt max.,
100-240 VAC/1A, 50/6-Hz).
2 Make sure the power cord is connected to the VES-1000 Series switch properly.
3 Make sure the fuse is not burnt-out. Replace the fuse if it is burnt out. (VES-1012 only)
4 The LED itself or the unit may be faulty; contact your vendor.
6.1.2 My SYS LED Does Not Turn On
Table 6-2 SYS LED Troubleshooting
STEP CORRECTIVE ACTION
1 Make sure the power cord is connected properly to the power outlet. Make sure you are using the correct
power source.
2 Make sure the power cord is connected to the VES-1000 Series switch properly.
3 Make sure the fuse is not burnt-out. Replace the fuse if it is burnt out. (VES-1012 only)
4 The LED itself or the unit may be faulty; contact your vendor.
Chapter 6
Hardware Troubleshooting